package com.web.controller;

import com.alibaba.fastjson2.JSON;
import com.web.entity.ResponseResult;
import com.web.entity.User;
import com.web.service.UserService;
import com.web.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 这是登录servlet
 */
@WebServlet("/login")
public class LoginServlet extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //获得账号密码
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        //调用service对象的登录方法
        UserService userService = new UserServiceImpl();
        User user = userService.login(username, password);
        //封装到响应结果中
        ResponseResult result = new ResponseResult(200,"OK",user);
        //发送对象给前端
        resp.getWriter().write(JSON.toJSONString(result));
    }
}
